BS 9612 N021:1979 - Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level

BS 9612 N021:1979

Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level

Status : Withdrawn   Published : April 1979

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Ratings, characteristics and inspection requirements.




Standard NumberBS 9612 N021:1979
TitleDetail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level
StatusWithdrawn
Publication Date15 April 1979
Confirm Date15 October 1985
Withdrawn Date02 August 2013
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
DescriptorsCrystal resonators, Resonators, Oscillators, Electronic equipment and components, Welding, Resistance welding, Temperature control, Piezoelectric devices, Dielectric devices, Quality assurance systems, Assessed quality, Qualification approval, Approval testing, Inspection, Dimensions, Ratings, Working range, Testing conditions, Environment (working), Volume, Frequencies, Temperature, Capacitance, Electrical resistance, Electrical properties and phenomena, Statistical quality control, Quality control, Performance, Electrical tolerances, Resonant frequency, Rated power
ICS31.140
Title in FrenchUnites a quartz etanches soudees par resistance pour oscillateurs. Specification detaillee. Enceintes DN, DZ, DQ et DP, gamme de frequences 50 a 125 MHz. Mode cisaillement d'epaisseur cinquieme harmonique, taille AT, pour utilisation sur plages de temperature etroites (regulation thermique). Niveau d'evaluation complet
Title in GermanAbgedichtete (widerstandsverschweisste) Quarzkristalleinheiten fuer Oszillatoren. Detailspezifikation. DN, DZ, DQ und DP Gehaeuse, Frequenzbereich 50 bis 125 MHz. Dickenscherungsschwinger (5. Oberton), AT-Schnitt, fuer den eng temperaturbegrenzten Betrieb (temperaturgeregelt). Volles Guetebestaetigungsniveau
CommitteeEPL/49
ISBN0 580 10722 1
PublisherBSI
FormatA4
DeliveryNo
Pages12
File Size321.4 KB
NotesThis standard has been withdrawn as the standard is no longer relevant
Price£110.00


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